200001210111222 has 64 divisors (see below), whose sum is σ = 480117217950720. Its totient is φ = 54870539180544.

The previous prime is 200001210111179. The next prime is 200001210111223. The reversal of 200001210111222 is 222111012100002.

It is a super-2 number, since 2×200001210111222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200001210111223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3969197838 + ... + 3969248225.

It is an arithmetic number, because the mean of its divisors is an integer number (7501831530480).

Almost surely, 2^{200001210111222} is an apocalyptic number.

200001210111222 is an abundant number, since it is smaller than the sum of its proper divisors (280116007839498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200001210111222 is a wasteful number, since it uses less digits than its factorization.

200001210111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7938446117.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200001210111222 its reverse (222111012100002), we get a palindrome (422112222211224).

The spelling of 200001210111222 in words is "two hundred trillion, one billion, two hundred ten million, one hundred eleven thousand, two hundred twenty-two".